Date: Sat, 3 Mar 2012 15:21:08 -0500 From: Jeff Blank <jb000003@mr-happy.com> To: freebsd-stable@freebsd.org Subject: Re: missing disk device under 9-STABLE Message-ID: <20120303202108.GA2244@mr-happy.com> In-Reply-To: <4F527659.5030001@FreeBSD.org> References: <mailpost.1330801798.5908684.58772.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> <4F527659.5030001@FreeBSD.org>
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On Sat, Mar 03, 2012 at 09:51:53PM +0200, Alexander Motin wrote: > This looks like cause of the missing disk: > > ahcich1: Timeout on slot 0 port 0 > ahcich1: is 00000002 cs 00000000 ss 00000000 rs 00000001 tfd 50 serr > 00000000 cmd 00006017 > ahcich1: Timeout on slot 0 port 0 > ahcich1: is 00000002 cs 00000000 ss 00000000 rs 00000001 tfd 50 serr > 00000000 cmd 00006017 > > It tells that controller signals interrupt, but driver haven't got it. > That is even more strange after the disk on first SATA port is working > fine. You may try to add to your /boot/loader.conf line: > hint.ahci.0.msi=0 > , or just set it via loader prompt. Alexander, Thanks, that seemed to clear the problem up, no troubles through half a dozen or more reboots. Is disabling MSI likely to have any side effects on, for example, performance or reliability? Is there any point to pursuing this as a FreeBSD problem, since I didn't have any issues under the old ATA system? I'm happy to help troubleshoot this if anyone thinks it's worth looking into. thanks, Jeff
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